MESON Chess Problem Database

Problem Display
PID: 189882 (5Q2/4Np2/1p3r2/1P2n3/R1PkNRb1/8/2P5/K1B5 w - - 0 1)

Dunka, Gyorgy Jusztin

Pesti Naplo, 1912

5Q2/4Np2/1p3r2/1P2n3/R1PkNRb1/8/2P5/K1B5

#2

10 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf6+?
      • 1...Kc5
        • 2.Sed5#
        • 2.Sf5#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sc8#
        • 2.Seg8#
        • 2.Ba3#
      • 1...Kc3!
    • 1.Sf5+?
      • 1...Rxf5
        • 2.Qd6#
      • 1...Bxf5!
  • Keys
    • 1.Qg7!
      • 1...Rxf4
        • 2.c5#
      • 1...Sxc4
        • 2.Qxf6#
      • 1...Sd3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sg6
        • 2.Sc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...Rf5
        • 2.Sc6#
        • 2.c5#
      • 1...Rc6
        • 2.Sxc6#
        • 2.c5#
      • 1...Rd6
        • 2.c5#
      • 1...Re6
        • 2.c5#
      • 1...Rg6
        • 2.c5#
      • 1...Rh6
        • 2.c5#
      • 1...Bd1
        • 2.Qg1#
      • 1...Be2
        • 2.Qg1#
      • 1...Bf3
        • 2.Qg1#
      • 1...Bh3
        • 2.Qg1#
      • 1...Bf5
        • 2.Qg1#
      • 1...Bh5
        • 2.Qg1#
      • 1...Be6
        • 2.Qg1#
      • 1...Bd7
        • 2.Qg1#
      • 1...Bc8
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 20
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK,XR(e)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • R(e);XS(I)::QAR2(J)
      • Refutation
        • B(b);XS(I)
  • Actual
    • Q(J);
    • Vars
      • R(e);P_SPINS(c),XR(G)::R(D)+P(E)
      • S(c);OGATEB,P_SPINR(e),P_SPINS(c),XP(E)::QAB(J),XR(e)
      • S(c);N_GUARD,P_SPINR(e)::S(I)
      • S(c);N_GUARD,P_SPINR(e)::S(I),XS(c)
      • R(e);P_SPINS(c)::R(D)+P(E)
      • B(b);OGATE::QAB(J)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).